nat: Do not use 0/0 for mux/timeslot by default

0 is a valid timeslot and we should not use it... use
a negative value to be save.
1 file changed
tree: eb5b547feaefd00a36aea0de71d66dc30eb8fe98
  1. hlrsync/
  2. linux-kernel/
  3. openbsc/
  4. wireshark/